What on Earth? Season 11 Episode 4
Episode Title: Mystery of the Welsh Mine
Genre:
Documentary
Countries:
,
Airing Date: July 13, 2022
Runtime:60 mins
IMDb Rating:
Stream the full What on Earth? Season 11 Episode 4 movie online for free in crystal-clear HD quality. No downloads required—just press play and enjoy the action, complete with English subtitles for an enhanced viewing experience.
Satellite images capture monumental ruins surrounded by bizarre feather-shaped structures on a Welsh mountaintop; experts investigate a hidden tunnel containing the remains of an abandoned slate mine with an exploitative and deadly past.